What is the Greatest Common Factor of 3771 and 3789?

Greatest common factor (GCF) of 3771 and 3789 is 9.

GCF(3771,3789) = 9

We will now calculate the prime factors of 3771 and 3789, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 3771 and 3789.

How to find the GCF of 3771 and 3789?

We will first find the prime factorization of 3771 and 3789. After we will calculate the factors of 3771 and 3789 and find the biggest common factor number .

Step-1: Prime Factorization of 3771

Prime factors of 3771 are 3, 419. Prime factorization of 3771 in exponential form is:

3771 = 3² × 419¹

Step-2: Prime Factorization of 3789

Prime factors of 3789 are 3, 421. Prime factorization of 3789 in exponential form is:

3789 = 3² × 421¹

Step-3: Factors of 3771

List of positive integer factors of 3771 that divides 3771 without a remainder.

1, 3, 9, 419, 1257

Step-4: Factors of 3789

List of positive integer factors of 3789 that divides 3771 without a remainder.

1, 3, 9, 421, 1263

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 3771 and 3789. The biggest common factor number is the GCF number.
So the greatest common factor 3771 and 3789 is 9.

Also check out the Least Common Multiple of 3771 and 3789